Patent attributes
An extraction unit of a beverage preparation machine, the extraction unit to extract an ingredient of a beverage from a capsule, the extraction unit comprising: a capsule holder operable to move between a capsule receiving position and a capsule extraction position; a capsule holder loading system operable to actuate the capsule holder between the said positions, the capsule holder loading system comprising an actuator unit and a loading mechanism, the actuator unit to actuate the loading mechanism, wherein the loading mechanism comprises a planetary gear train and a linear actuator, the actuator unit to supply a rotary motion to the planetary gear train, the planetary gear train to gear down the said rotary motion, the linear actuator to: receive the said geared down rotary motion; convert the geared down rotary motion into linear motion; couple the said linear motion to the capsule holder.
